import java.util.Arrays;
import java.util.List;

class Demo3_1_4_5_3 {
    public static void main(String[] args) {
        List<Integer> list = Arrays.asList(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13);
        System.out.println("--------------- subList 前");
        System.out.println(list);
        System.out.println("--------------- subList 后");
        List<List<Integer>> combinedList = list.stream().collect(CustomCollectors.subList(3));
        System.out.println(combinedList);
    }
}